Bruno Tilz 210-S 4 E vs Bruno Tilz 301-9 C
The Bruno Tilz 301-9 C has a wider cup diameter, the Bruno Tilz 301-9 C has a larger throat opening.
Mouthpiece A
Bruno Tilz 210-S 4 E
• Flugelhorn
CatalogCup diameter16.50 mm / 0.6496 in
Cup depthShallow
Rim width—
Throat diameter3.50 mm / 0.1378 in
Backbore—
Finish—
Material—
Best suited for
Screamer / high notes — tight throat with shallow cup
vs
Mouthpiece B
Bruno Tilz 301-9 C
• Flugelhorn
CatalogCup diameter17.00 mm / 0.6693 in
Cup depth
Rim width—
Throat diameter3.90 mm / 0.1535 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 301-9 C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.50 mm / 0.6496 in on the Bruno Tilz 210-S 4 E — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Throat Diameter
The Bruno Tilz 301-9 C has a wider throat (3.90 mm / 0.1535 in vs 3.50 mm / 0.1378 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.